Comprises a group of field materials documenting Byron Coffin, Sr., Mrs. Byron Coffin, and their son, Byron Coffin, Jr. singing performing Barbary Coast tunes, American popular songs, and ragtime on the piano on April 6, 1939, collected by Sidney Robertson Cowell in Alameda, California. Includes songs sung by the Coffin family, with Mrs. Byron Coffin,

Mr. and Mrs. Byron Coffin, Sr. were popular Barbary Coast entertainers from about 1898 to 1906 and again around 1910. They were known as Byron Reno and Pearl Reno. "The Renos" were the first to sing "Casey Jones" in the San Francisco Bay area. Mr. Coffin is still called "Casey" by his friends.